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Denon AVR-3805 - User Manual

Denon AVR-3805
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CH SEL
ENTER
AV SURROUND RECEIVER
AVR-3805
OPERATING INSTRUCTIONS
2 We greatly appreciate your purchase of the AVR-3805.
2 To be sure you take maximum advantage of all the features the AVR-3805 has to offer, read these instructions
carefully and use the set properly. Be sure to keep this manual for future reference, should any questions or
problems arise.
“SERIAL NO.
PLEASE RECORD UNIT SERIAL NUMBER ATTACHED TO THE REAR OF THE
CABINET FOR FUTURE REFERENCE”

Table of Contents

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Preview: Specifications And Setup Procedure
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Questions and Answers

  • S
    Sonia KimAug 15, 2025
    What to do if the Denon AVR-3805 display is lit but no sound is produced?
    • H
      holly46Aug 15, 2025
      If the display is lit but you're not getting any sound from your Denon Stereo Receiver, here are a few things to check: * Make sure the speaker cords are securely connected. * Verify that the audio function button is in the correct position. * Ensure the volume isn't set to the minimum; turn it up to a suitable level. * Check if MUTING is on and switch it off. * If you're using digital signals, confirm they are being input correctly and that you've selected the appropriate input jacks.
  • M
    Matthew FreemanAug 18, 2025
    Why is the Denon AVR-3805 Stereo Receiver display not lit and no sound is produced?
    • J
      James LongAug 18, 2025
      If the display isn't lit and no sound is coming from your Denon Stereo Receiver, the power cord might not be plugged in securely. Check the power cord's insertion. After turning the POWER switch on, try turning the power on with the remote control.
  • M
    Mark CarlsonAug 21, 2025
    Why is the Denon Stereo Receiver display not lit and the power indicator flashing rapidly?
    • N
      Neil CunninghamAug 21, 2025
      If the display isn't lit and the power indicator is flashing rapidly on your Denon Stereo Receiver, it could be due to a couple of reasons: * The speaker terminals might be short-circuited. If so, switch the power off, connect the speakers properly, and then switch the power back on. * The ventilation holes might be blocked, or the unit is operating at continuous high power with inadequate ventilation. Turn off the power, ventilate the unit well to cool it down, and then turn the power back on.
  • M
    Melissa LeeAug 25, 2025
    How to fix a Denon AVR-3805 Stereo Receiver that doesn't operate properly with the remote control?
    • R
      Rebecca EdwardsAug 26, 2025
      If your Denon Stereo Receiver isn't responding to the remote control, try these solutions: 1. Replace the batteries with new ones. 2. Move closer to the unit. 3. Ensure there are no obstacles between the remote and the unit. 4. Make sure you're pressing the correct button. 5. Verify the batteries are inserted with the correct polarity.
  • R
    Rebecca RossAug 27, 2025
    What to do if sound is produced only from one channel on Denon AVR-3805?
    • M
      Madeline FreemanAug 27, 2025
      If sound is only coming from one channel on your Denon Stereo Receiver, the issue might be with the connections. Check that both the speaker cords and the input/output cords are securely connected.
  • J
    Jessica HernandezAug 30, 2025
    Why is there a humming noise produced when Record is playing on my Denon AVR-3805?
    • M
      Margaret FosterAug 30, 2025
      A humming noise during record playback on your Denon Stereo Receiver can be caused by: * An improperly connected turntable ground wire. Ensure it is securely connected. * An incomplete PHONO jack connection. Make sure it's securely connected.
  • W
    Whitney HernandezSep 2, 2025
    How to resolve reversed instrument positions during stereo playback on Denon Stereo Receiver?
    • L
      Lisa ReynoldsSep 2, 2025
      If the instrument positions are reversed during stereo playback on your Denon Stereo Receiver, the left and right speakers or input/output cords might be connected in reverse. Check these connections to ensure they are correct.
  • E
    Elizabeth WattsSep 5, 2025
    How to fix howling noise produced when volume is high on Denon AVR-3805 Stereo Receiver?
    • A
      Adam RamirezSep 5, 2025
      If you're experiencing a howling noise when the volume is high on your Denon Stereo Receiver, it could be due to: * The turntable and speaker systems being too close together. Separate them as much as possible. * An unstable floor that vibrates easily. Use cushions to absorb speaker vibrations transmitted by the floor. If your turntable lacks insulators, consider using audio insulators.
  • G
    Gerald McmahonSep 8, 2025
    Why is the on screen display not showing on my Denon Stereo Receiver?
    • C
      Carla GilbertSep 8, 2025
      If the on-screen display is not showing on your Denon Stereo Receiver, check the system setup menu. The “on screen display” setting might be turned off. Set it to “on” in the system setup menu.
  • V
    Vanessa MezaSep 12, 2025
    Why is the sound distorted on my Denon Stereo Receiver?
    • A
      Ashley VargasSep 12, 2025
      Distorted sound on your Denon Stereo Receiver can stem from a few issues: * Stylus pressure might be too weak. Apply the proper stylus pressure. * There could be dust or dirt on the stylus. Check the stylus and clean if necessary. * The cartridge might be defective. Consider replacing it.

Summary

Safety Precautions

Safety Instructions

Part Names and Functions

Setting Up the System

Auto Setup;Room EQ

Automatic system setup using a microphone for room acoustics.

Setting the Speaker Setup

Configuration of speaker types, levels, and crossover frequencies.

Operation

Playing the Input Source

Selecting and playing audio/video sources with different input modes.

Playing Audio Sources (CDs and DVDs)

Multi Zone

Multi-zone Playback with Multi-source

Playing different sources in multiple rooms using Zone 2/3 outputs.

Outputting Program Source to Other Rooms

Surround

Before Playing with Surround Function

Adjusting speaker levels using test tones for optimal surround sound.

Dolby Pro Logic IIx (Pro Logic II) Mode

DTS NEO:6 Mode

Surround Parameters

Adjusting Audio Delay

Synchronizing audio and video signals by adjusting audio delay.

DSP Surround Simulation

Selecting and adjusting various DSP surround modes for enhanced audio.

Listening to the Radio

Preset Memory

Storing and recalling radio stations in memory.

Troubleshooting

Specifications

Denon AVR-3805 Specifications

General IconGeneral
Receiver typeSurround
Frequency range10 - 100000 Hz
Speaker selectorA / B
Input sensitivity200 mV
Pre-out connectivityYes
Audio output channels7.1 channels
Signal-to-Noise Ratio (SNR)102 dB
Total Harmonic Distortion (THD)0.05 %
Power output per channel (1KHz@6 Ohm)160 W
Power output per channel (20-20KHz@8 Ohm)120 W
AC input voltage120 V
AC input frequency60 Hz
AM band range520 - 1710 kHz
FM band range87.5 - 107.9 MHz
Supported radio bandsAM, FM
Preset stations quantity56
HDMI in0
Audio (L/R) in11
Remote control in1
Composite video in7
Digital audio coaxial in2
Digital audio optical in5
Component video (YPbPr/YCbCr) in3
AirPlayNo
Display-
Product colorBlack
Audio decodersDTS 96/24, DTS Neo:6, DTS-ES (Discrete 6.1), DTS-ES (Matrix 6.1), Dolby Digital EX, Dolby Pro Logic IIx
Apple docking compatibilityNot supported
Speakers connectivity typeRCA
Weight and Dimensions IconWeight and Dimensions
Depth429 mm
Width434 mm
Height171 mm
Weight17000 g

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